:root{--green:#185d4a;--green2:#0f493a;--orange:#e9743b;--ink:#26342f;--muted:#708078;--line:#d9dfdc;--soft:#f4f6f5;--rail:72px;--library:280px;--inspector:330px;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);background:#edf0ee}*{box-sizing:border-box}html,body{height:100%}body{margin:0;overflow:hidden}button,input,select{font:inherit}button{cursor:pointer}.skip{position:absolute;top:-60px;left:12px;background:#fff;padding:12px;z-index:99}.skip:focus{top:8px}.appbar{height:66px;display:grid;grid-template-columns:352px 1fr auto;align-items:center;border-bottom:1px solid var(--line);background:#fff;padding-right:18px;position:relative;z-index:5}.brand{display:flex;align-items:center;gap:9px;padding-left:16px;text-decoration:none;color:var(--ink)}.brand-mark{display:grid;place-items:center;width:35px;height:35px;border-radius:10px;background:var(--green);color:#fff;font-size:12px;font-weight:900}.brand strong{font-size:17px}.brand small{color:#91a099;border-left:1px solid var(--line);padding-left:9px}.project-title{border-left:1px solid var(--line);padding-left:20px;line-height:1.1}.project-title span,.estimate-head span,.kicker{display:block;color:#84928c;font-size:9px;font-weight:900;letter-spacing:.13em}.project-title b{font-size:13px}.app-actions{display:flex;gap:8px}.plain,.export,.canvas-tools button{border:1px solid var(--line);border-radius:8px;background:#fff;padding:9px 13px;color:#42544c;font-weight:750;font-size:12px}.export{background:var(--green);color:#fff;border-color:var(--green)}.editor-shell{height:calc(100vh - 98px);display:grid;grid-template-columns:var(--rail) var(--library) minmax(420px,1fr) var(--inspector)}.tool-rail{background:var(--green2);padding:12px 7px;display:flex;flex-direction:column;gap:6px}.tool{min-height:64px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;color:#bad1c8;text-decoration:none;border:0;background:transparent;border-radius:9px;font-size:10px;font-weight:750}.tool span{font-size:22px;line-height:1}.tool:hover,.tool.active{background:#fff;color:var(--green2)}.library-panel,.inspector{background:#fff;overflow-y:auto}.library-panel{border-right:1px solid var(--line);padding:22px 18px}.side-title{display:flex;justify-content:space-between;align-items:start}.side-title h1{font-size:21px;margin:3px 0}.help{border:1px solid var(--line);background:#fff;border-radius:50%;width:28px;height:28px;color:#718078}.side-copy{color:var(--muted);font-size:12px;line-height:1.55}.floor-choice{display:grid;grid-template-columns:1fr 1fr;background:var(--soft);padding:4px;border-radius:9px;margin:19px 0}.floor-tab{border:0;background:transparent;border-radius:7px;padding:9px 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span{position:absolute;right:10px;bottom:10px;color:#83908a}.primary{width:100%;border:0;background:var(--green);color:#fff;font-weight:850;border-radius:9px;padding:12px}.library-tip{display:flex;gap:9px;background:#f2f7f4;border-radius:10px;padding:12px;margin-top:18px}.library-tip>span{display:grid;place-items:center;flex:none;width:20px;height:20px;border-radius:50%;background:#bddbcc;color:var(--green);font-weight:900}.library-tip p{font-size:10px;line-height:1.5;color:#6d7b75;margin:0}.library-tip b{display:block;color:#3b5148}.visually-hidden{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.canvas-panel{min-width:0;background:#e7ebe8;display:grid;grid-template-rows:54px 1fr 35px;overflow:hidden}.canvas-toolbar{display:flex;justify-content:space-between;align-items:center;background:#fff;border-bottom:1px solid var(--line);padding:0 14px}.floor-level{display:flex;align-items:center;gap:12px}.floor-level button{height:54px;border:0;border-bottom:3px solid var(--green);background:#fff;color:var(--green);font-weight:850}.floor-level span,.grid-label{font-size:10px;color:#85918c}.canvas-tools{display:flex;align-items:center;gap:10px}.plan-viewport{overflow:auto;padding:58px 42px 42px;position:relative}.canvas-intro{position:absolute;left:42px;top:18px;display:flex;gap:9px;align-items:baseline}.canvas-intro b{font-size:13px}.canvas-intro span{font-size:10px;color:#7b8983}.design-area{position:relative;width:1000px;height:600px;border:1px solid #bdc7c1;background-color:#fff;background-image:linear-gradient(#dbe1dd 1px,transparent 1px),linear-gradient(90deg,#dbe1dd 1px,transparent 1px),linear-gradient(#eff2f0 1px,transparent 1px),linear-gradient(90deg,#eff2f0 1px,transparent 1px);background-size:40px 40px,40px 40px,8px 8px,8px 8px;box-shadow:0 14px 36px 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1fr;border-left:0;border-top:1px solid var(--line)}.estimate-head,.disclaimer{grid-column:1/-1}.app-actions .plain{display:none}.appbar{padding-right:10px}.brand{padding-left:10px}.tool-rail{padding:8px 4px}.tool{min-height:58px}.cost-summary{border-left:1px solid var(--line)}footer{display:none}}@media print{.tool-rail,.library-panel,.app-actions,.canvas-toolbar,.canvas-status,footer{display:none!important}body{overflow:visible}.appbar{grid-template-columns:1fr}.editor-shell{display:grid;height:auto;grid-template-columns:2fr 1fr}.canvas-panel{height:700px}.inspector{overflow:visible}.plan-viewport{padding:30px}.design-area{transform:scale(.65);transform-origin:top left}}